import java.util.Scanner;
public class MainClass {
public static void main(String args[]) {
Scanner conin = new Scanner(System.in);
int count = 0;
System.out.println("Enter numbers to average.");
while (conin.hasNext()) {
if (conin.hasNextDouble()) {
System.out.println(conin.nextDouble());
count++;
}
if(count == 3){
System.exit(0);
}
}
}
}